Homebleaching Set swiss smile Day & Night - for a brilliant smile during the day and a regenerating care during the night. Our body functions in tune with the day time cycle. During the day, our primary focus is on achieving our goals and being successful with our multiple activities. A positive, well-kept appearance helps us doing so: A confident, radiant smile will make our day! Night rest time belongs to us: This is the time for us and our body to regenerate. Mouth and teeth also need this time to recover from daily stress to remain healthy. For teeth, stressors are acidity, mechanical stress, mouth dryness and attacks by bacteria. swiss smile Day & Night is a revolutionary care system that combines the natural body requirements with lifestyle expectations both day and night.